8.4.34
न भाभूपूकमिगमिप्यायीवेपाम्
Operational rule vidhi
The न of a कृत् affix is not changed to ण , though preceded by an उपसर्ग having in it a cause of change, when the affix is added to the following verbs - भा 'to shine', भू 'to be', पू 'to purify', कमि 'to be brilliant', गमि 'to go', प्यायि 'to increase', वेप 'to shake'.
Word by word (padaccheda)
Indeclinable न avyayaTarget - भू- पू- कमि- गमि- प्यायी- वेपाम् ṣaṣṭhī · bahuvacana
- Indeclinable An avyaya such as च "and", वा "optionally", न "not".
- Target Ṣaṣṭhī (6th case): names what gets replaced, "in place of X" (1.1.49 षष्ठी स्थानेयोगा).
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Full reading
न -
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The न of a कृत् affix is not changed to ण , though preceded by an उपसर्ग having in it a cause of change, when the affix is added to the following verbs - भा 'to shine', भू 'to be', पू 'to purify', कमि 'to be brilliant', गमि 'to go', प्यायि 'to increase', वेप 'to shake'.
This rule is an exception to 8.4.29. Thus :-
- भा - प्रभानम्, - परिभानम्
- भू - प्रभवनम्, - परिभवनम्
- पू - प्रपवनम्, - परिपवनम् ॥
Ishti:-The verb पूञ् is to be taken and not the verb पूङ् ॥ In the case of the latter the change is obligatory, as, प्रपवणं सोमस्य ॥
- कमि - प्रकमनम् - परिकमनम् ॥
- प्यायि - प्रप्यायनम्, - परिप्यायनम् ॥
- गमि - प्रगमनम् - परिगमनम् ॥
- वेप् - प्रवेपनम् - परिवेपनम् ॥
Vart:- The above roots, even when in the Causative, do not change the न of their krit-affix. As प्रभापनम्, परिभापनम् ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.